Zhao, Hua; Liu, Yong; Liu, Longde; Sun, Jihui; Gu, Yongshun - In: Asian Agricultural Research 05 (2013) 07
status. Using the quantitative classification method combining factor analysis and system clustering, we conduct quantitative … then using a handful of factors loading large amounts of information to carry out system clustering, is an effective …, the factor analysis model is established, 6 factors loading 89.94 5% of information amount are used to conduct system …